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what is the meaning of this?Running /var/spool/mqueue/n5R6dVxa009552 (sequence 2 of 2)ncsu.edu': Name server timeout<'yuan@ncsu.edu'>... Transient parse error -- message queued for future delivery

what is the meaning of this?Running /var/spool/mqueue/n5R6dVxa009552 (sequence 2 of 2)ncsu.edu': Name server timeout<'yuan@ncsu.edu'>... Transient parse error -- message queued for future delivery

i am using sendmail on RHEL 5
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aloknet21
Asked:
aloknet21
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1 Solution
 
aloknet21Author Commented:
while sending mail to this client mail goes in queue.

When i resend mail through sendmail -q -v command. it gives error like /var/spool/mqueue/n5R6dVxa009552 (sequence 2 of 2)ncsu.edu': Name server timeout<'yuan@ncsu.edu'>... Transient parse error -- message queued for future delivery

please suggest me!
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jar3817Commented:
"Name server timeout<'yuan@ncsu.edu'>"

It's a name resolution error. Your server is having trouble resolving the MX record for nscu.edu. This could be a problem with your local server's dns resolvers (not very likely unless you get this for other domains frequently) or a problem with their nameservers or a problem with data transfer between the sites.

Do these messages eventually get delivered or do they stay queued until they get returned?

Are you getting these errors for any other domains?
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aloknet21Author Commented:
No i am getting only for this domain. When i do sendmail -q -v it tries to resend mail but same error i got.

please suggest

Meanwhile as per your suggestion i have complained my ISP and they have accepted the problem from thier side and doing the needful.

Thanks for your help in this regard.

Alok
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aloknet21Author Commented:
What could be the reason because user is trying to send mail to this domain since 3 days.

From other domain i am able to send mail to this particular user.
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jar3817Commented:
These are the related IP addresses for them, can you ping all of these?

# nameservers:
152.1.1.22
152.1.1.208
152.46.13.39

# mail servers
152.1.1.163
152.1.1.164
152.1.1.166
152.1.224.163
152.1.224.164
152.1.224.165
152.1.224.166
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aloknet21Author Commented:
yes i am able to ping and nslookup too from server console.
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jar3817Commented:
What is in /etc/resolv.conf on your server?
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aloknet21Author Commented:
nameserver 10.50.0.2
nameserver 203.196.128.4
nameserver 203.196.128.5
nameserver 4.2.2.2
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aloknet21Author Commented:
this is my /etc/mail/access

Connect:localhost.localdomain           RELAY
Connect:localhost                       RELAY
Connect:127.0.0.1                       RELAY


This is local-host-names file entry
# local-host-names - include all aliases for your machine here.
glyphinternational.com


This is my ip address details

# Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+
DEVICE=eth0
BOOTPROTO=none
HWADDR=00:08:A1:65:20:15
ONBOOT=yes
NETMASK=255.255.252.0
IPADDR=10.50.0.6
GATEWAY=10.50.0.2
TYPE=Ethernet
USERCTL=no
IPV6INIT=no
PEERDNS=no
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jar3817Commented:
Can you paste the exact log error from /var/log/maillog related to sending this email? Have you tried contacting the IT department at NCSU to find out if they are seeing anything on their end from you?

From that error it looks like you're having trouble resolving their name, but perhaps the problem is they are having trouble resolving your name and that error is generated on their end.
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aloknet21Author Commented:
Jun 27 12:09:32 glyphinternational sendmail[9552]: n5R6dVxa009552: to=<'yuan@ncsu.edu'>, delay=00:00:01, mailer=esmtp, pri=69651, dsn=4.4.3, stat=queued
Jun 27 12:09:32 glyphinternational sendmail[9552]: n5R6dVxa009552: to=<Lee.Rourke@sagepub.co.uk>, delay=00:00:01, mailer=esmtp, pri=69651, stat=queued
Jun 27 12:09:33 glyphinternational MailScanner[7830]: New Batch: Scanning 1 messages, 10176 bytes
Jun 27 12:09:39 glyphinternational MailScanner[7830]: Spam Checks: Found 1 spam messages
Jun 27 12:09:39 glyphinternational MailScanner[7830]: Virus and Content Scanning: Starting
Jun 27 12:09:41 glyphinternational MailScanner[7830]: ----------- SCAN SUMMARY -----------
Jun 27 12:09:41 glyphinternational MailScanner[7830]: Known viruses: 581419
Jun 27 12:09:41 glyphinternational MailScanner[7830]: Engine version: 0.95.1
Jun 27 12:09:41 glyphinternational MailScanner[7830]: Scanned directories: 2
Jun 27 12:09:41 glyphinternational MailScanner[7830]: Scanned files: 3
Jun 27 12:09:41 glyphinternational MailScanner[7830]: Infected files: 0
Jun 27 12:09:41 glyphinternational MailScanner[7830]: Data scanned: 0.01 MB
Jun 27 12:09:41 glyphinternational MailScanner[7830]: Data read: 0.00 MB (ratio 2.00:1)
Jun 27 12:09:41 glyphinternational MailScanner[7830]: Time: 2.260 sec (0 m 2 s)
Jun 27 12:09:41 glyphinternational MailScanner[7830]: Uninfected: Delivered 1 messages
Jun 27 12:09:42 glyphinternational sendmail[9565]: n5R6dVxa009552: to=<watchdog@glyphinternational.com>, ctladdr=<sage-journals2@glyphinternational.com> (767/767), delay=00:00:11, xdelay=00:00:00, mailer=local, pri=159651, dsn=2.0.0, stat=Sent


this is the log
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aloknet21Author Commented:
this mail has sent to two person one has received(Lee.Rourke@sagepub.co.u)  mail but other(yuan@ncsu.edu) has not.
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jar3817Commented:
According to the logs, it flagged your message as spam:

"Jun 27 12:09:39 glyphinternational MailScanner[7830]: Spam Checks: Found 1 spam messages"

have you tried disabling mailscanner to see if that is getting in the way?
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aloknet21Author Commented:
But it says for every mail and mail goes successfully. Should i disable this option from MailScanner?
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jar3817Commented:
Well to debug problems you should have things as simple as possible, so I would disable it for testing...
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aloknet21Author Commented:
yes i have disabled now.
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aloknet21Author Commented:
Helpful
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